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 ###Instrução: Qual é o Hanja para o hamgyeong RR Romaja?
 ###Tabelas: CREATE TABLE summary_of_general_election_performance (summary_of_general_election_performance_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Number of Candidates INT, Total votes INT, Average voters per candidate INT, Percentage of vote VARCHAR, Saved deposits INT, Change (percentage points) VARCHAR, Number of MPs INT) CREATE TABLE pool_2 (pool_2_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Tries for INT, Tries against INT, Try diff VARCHAR, Points for INT, Points against INT, Points diff VARCHAR) CREATE TABLE febc_stations_in_the_philippines (febc_stations_in_the_philippines_id AUTO_INCREMENT PRIMARY KEY, Branding VARCHAR, Call-Sign VARCHAR, Frequency VARCHAR, Power (kw) VARCHAR, Location VARCHAR) CREATE TABLE provinces_of_joseon (provinces_of_joseon_id AUTO_INCREMENT PRIMARY KEY, RR Romaja VARCHAR, M–R Romaja VARCHAR, Hangul VARCHAR, Hanja VARCHAR, Name origin VARCHAR, Capital VARCHAR, Region VARCHAR, Korean dialect VARCHAR, Post-1896 Provinces VARCHAR) CREATE TABLE squad_members (squad_members_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Years Played VARCHAR, Total W-L VARCHAR, Singles W-L VARCHAR, Doubles W-L VARCHAR)  
SELECT Hanja FROM provinces_of_joseon WHERE RR Romaja = hamgyeong